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Commit 0d97500d authored by Richard Weinberger's avatar Richard Weinberger Committed by Richard Weinberger
Browse files

m68k: Use get_signal() signal_setup_done() 



Use the more generic functions get_signal() signal_setup_done()
for signal delivery.

Signed-off-by: default avatarRichard Weinberger <richard@nod.at>
parent 0f5bef66

arch/m68k/kernel/signal.c

+24 −39
Original line number Diff line number Diff line
@@ -850,23 +850,23 @@ get_sigframe(struct k_sigaction *ka, struct pt_regs *regs, size_t frame_size) 
	return (void __user *)((usp - frame_size) & -8UL);

}



static int setup_frame (int sig, struct k_sigaction *ka,

			 sigset_t *set, struct pt_regs *regs)

static int setup_frame(struct ksignal *ksig, sigset_t *set,

			struct pt_regs *regs)

{

	struct sigframe __user *frame;

	int fsize = frame_extra_sizes(regs->format);

	struct sigcontext context;

	int err = 0;

	int err = 0, sig = ksig->sig;



	if (fsize < 0) {

#ifdef DEBUG

		printk ("setup_frame: Unknown frame format %#x\n",

			regs->format);

#endif

		goto give_sigsegv;

		return -EFAULT;

	}



	frame = get_sigframe(ka, regs, sizeof(*frame) + fsize);

	frame = get_sigframe(&ksig->ka, regs, sizeof(*frame) + fsize);



	if (fsize)

		err |= copy_to_user (frame + 1, regs + 1, fsize);
@@ -899,7 +899,7 @@ static int setup_frame (int sig, struct k_sigaction *ka, 
#endif



	if (err)

		goto give_sigsegv;

		return -EFAULT;



	push_cache ((unsigned long) &frame->retcode);
@@ -908,7 +908,7 @@ static int setup_frame (int sig, struct k_sigaction *ka, 
	 * to destroy is successfully copied to sigframe.

	 */

	wrusp ((unsigned long) frame);

	regs->pc = (unsigned long) ka->sa.sa_handler;

	regs->pc = (unsigned long) ksig->ka.sa.sa_handler;

	adjustformat(regs);



	/*
@@ -934,28 +934,24 @@ static int setup_frame (int sig, struct k_sigaction *ka, 
		tregs->sr = regs->sr;

	}

	return 0;



give_sigsegv:

	force_sigsegv(sig, current);

	return err;

}



static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info,

			    sigset_t *set, struct pt_regs *regs)

static int setup_rt_frame(struct ksignal *ksig, sigset_t *set,

			   struct pt_regs *regs)

{

	struct rt_sigframe __user *frame;

	int fsize = frame_extra_sizes(regs->format);

	int err = 0;

	int err = 0, sig = ksig->sig;



	if (fsize < 0) {

#ifdef DEBUG

		printk ("setup_frame: Unknown frame format %#x\n",

			regs->format);

#endif

		goto give_sigsegv;

		return -EFAULT;

	}



	frame = get_sigframe(ka, regs, sizeof(*frame));

	frame = get_sigframe(&ksig->ka, regs, sizeof(*frame));



	if (fsize)

		err |= copy_to_user (&frame->uc.uc_extra, regs + 1, fsize);
@@ -968,7 +964,7 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, 
			  &frame->sig);

	err |= __put_user(&frame->info, &frame->pinfo);

	err |= __put_user(&frame->uc, &frame->puc);

	err |= copy_siginfo_to_user(&frame->info, info);

	err |= copy_siginfo_to_user(&frame->info, &ksig->info);



	/* Create the ucontext.  */

	err |= __put_user(0, &frame->uc.uc_flags);
@@ -996,7 +992,7 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, 
#endif /* CONFIG_MMU */



	if (err)

		goto give_sigsegv;

		return -EFAULT;



	push_cache ((unsigned long) &frame->retcode);
@@ -1005,7 +1001,7 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, 
	 * to destroy is successfully copied to sigframe.

	 */

	wrusp ((unsigned long) frame);

	regs->pc = (unsigned long) ka->sa.sa_handler;

	regs->pc = (unsigned long) ksig->ka.sa.sa_handler;

	adjustformat(regs);



	/*
@@ -1031,10 +1027,6 @@ static int setup_rt_frame (int sig, struct k_sigaction *ka, siginfo_t *info, 
		tregs->sr = regs->sr;

	}

	return 0;



give_sigsegv:

	force_sigsegv(sig, current);

	return err;

}



static inline void
@@ -1074,26 +1066,22 @@ handle_restart(struct pt_regs *regs, struct k_sigaction *ka, int has_handler) 
 * OK, we're invoking a handler

 */

static void

handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info,

	      struct pt_regs *regs)

handle_signal(struct ksignal *ksig, struct pt_regs *regs)

{

	sigset_t *oldset = sigmask_to_save();

	int err;

	/* are we from a system call? */

	if (regs->orig_d0 >= 0)

		/* If so, check system call restarting.. */

		handle_restart(regs, ka, 1);

		handle_restart(regs, &ksig->ka, 1);



	/* set up the stack frame */

	if (ka->sa.sa_flags & SA_SIGINFO)

		err = setup_rt_frame(sig, ka, info, oldset, regs);

	if (ksig->ka.sa.sa_flags & SA_SIGINFO)

		err = setup_rt_frame(ksig, oldset, regs);

	else

		err = setup_frame(sig, ka, oldset, regs);



	if (err)

		return;

		err = setup_frame(ksig, oldset, regs);



	signal_delivered(sig, info, ka, regs, 0);

	signal_setup_done(err, ksig, 0);



	if (test_thread_flag(TIF_DELAYED_TRACE)) {

		regs->sr &= ~0x8000;
@@ -1108,16 +1096,13 @@ handle_signal(int sig, struct k_sigaction *ka, siginfo_t *info, 
 */

static void do_signal(struct pt_regs *regs)

{

	siginfo_t info;

	struct k_sigaction ka;

	int signr;

	struct ksignal ksig;



	current->thread.esp0 = (unsigned long) regs;



	signr = get_signal_to_deliver(&info, &ka, regs, NULL);

	if (signr > 0) {

	if (get_signal(&ksig)) {

		/* Whee!  Actually deliver the signal.  */

		handle_signal(signr, &ka, &info, regs);

		handle_signal(&ksig, regs);

		return;

	}